Offer expires March 20, 2014, at 3:01am EST. Quantities are limited and all offers are subject to availability while supplies last. Only one sample offer may be applied to each order; sample offers may not be combined. To ensure best availability, there is a limit of one to a customer. Offer available to residents of the contiguous United States only. All "Free Shipping" offers are for STANDARD SHIPPING only, unless otherwise specified. Offers cannot be applied to previously placed orders. We reserve the right to cancel any order due to unauthorized, altered or ineligible use of offer and to modify or cancel any promotion due to system error or unforeseen problems. We reserve the right to substitute any free item offered with an item of equal or greater value. Ongoing offers are subject to change without notice. Other restrictions may apply.